U.S. patent number 7,073,685 [Application Number 09/869,768] was granted by the patent office on 2006-07-11 for dispenser of objects.
This patent grant is currently assigned to Laboratoires Dolisos. Invention is credited to Jean-Pierre Giraud, Roger Nobilet.
United States Patent |
7,073,685 |
Giraud , et al. |
July 11, 2006 |
Dispenser of objects
Abstract
The invention concerns a dispenser of objects comprising a body
forming a reservoir (2) for storing objects to be dispensed (8), an
outlet passage (22) for said objects, arranged at one end of the
body (2), and returned translation means (12) capable of performing
a reciprocating movement relatively to the body (2) so as to
release a predetermined number of objects (8) at each out and in
stroke of the translation movement. The invention is characterized
in that said returned translation movement are arranged in the form
of a flexible membrane with shape memory (12) perforated with a
calibrated opening (17), exerting both a spring force enabling said
reciprocating movement and, by co-operation with thrust means (18),
to control the dispensing of said objects.
Inventors: |
Giraud; Jean-Pierre (Paris,
FR), Nobilet; Roger (Torcy, FR) |
Assignee: |
Laboratoires Dolisos (Paris,
FR)
|
Family
ID: |
9534797 |
Appl.
No.: |
09/869,768 |
Filed: |
December 30, 1999 |
PCT
Filed: |
December 30, 1999 |
PCT No.: |
PCT/FR99/03317 |
371(c)(1),(2),(4) Date: |
May 24, 2002 |
PCT
Pub. No.: |
WO00/40478 |
PCT
Pub. Date: |
July 13, 2000 |
Foreign Application Priority Data
|
|
|
|
|
Dec 31, 1998 [FR] |
|
|
98 16772 |
|
Current U.S.
Class: |
221/64; 221/260;
221/263; 221/267; 221/65 |
Current CPC
Class: |
B65D
83/0409 (20130101); B65D 2583/0481 (20130101) |
Current International
Class: |
B65D
83/00 (20060101); B65G 59/00 (20060101); G07F
11/16 (20060101) |
Field of
Search: |
;221/64,65,260,267,268,270,263,264 |
References Cited
[Referenced By]
U.S. Patent Documents
Foreign Patent Documents
Primary Examiner: Bollinger; David H.
Attorney, Agent or Firm: Hueschen and Sage
Claims
The invention claimed is:
1. A dispenser of objects comprising a body (1) forming a reservoir
(2) for storing objects (8) to be dispensed, an outlet passage (22)
for said objects arranged at an end of the reservoir (2) to pass
said objects to a returned translation means, which has an opening
(17), and is comprised of a deformable elastomer membrane (12) for
performing a reciprocating movement with respect to the reservoir
(2), wherein the elastomer membrane is operationally deformed to
move objects (8) positioned in the elastomer membrane toward a
protrusion (18), whereby the protrusion (18) is forcibly contacted
with the objects (8) to expel a determined number of objects (8)
through the opening (17) to a receptacle (23) with each outward and
return stroke of translational movement.
2. The dispenser according to claim 1, wherein the protrusion (18)
comprises a fixed element situated adjacent to the outlet passage
(22) near where the object or objects (8) to be dispensed lie, and
in proximity to the deformable elastomer membrane (12).
3. The dispenser according to claim 2, wherein the fixed element is
an elongate piece secured to the end of the body (1) and is placed
facing the opening (17) in the deformable elastomer membrane
(12).
4. The dispenser according to claim 3, wherein the fixed element
has a chamfered face (19) and a cut end to impart a concavity (21)
tailored to the shape and size of the object to be dispensed.
5. The dispenser according to claim 2, wherein the fixed element
and the opening (17) in the deformable elastomer membrane (12) are
arranged centrally with respect to the end of the reservoir
(2).
6. The dispenser according to claim 2, wherein the outlet passage
(22) for said objects is defined by the interior face of the
deformable elastomer membrane (12) and by the exterior surface (19)
of the fixed element.
7. The dispenser according to claim 1, wherein the opening (17) has
a diameter slightly smaller than the diameter of the object (8),
and wherein the opening (17) comprises a flexible lip (17a) to
allow the object to pass.
8. The dispenser according to claim 1, wherein the deformable
elastomer membrane (12) is in the form of a flexible cup, the edge
of which is fixed to the end of the reservoir (2).
9. The dispenser according to claim 1, wherein the receptacle (23)
receives the dispensed determined number of objects (8), and also
functions as a cap.
10. The dispenser according to claim 1, wherein the receptacle (23)
slides with respect to the reservoir (2) and has one or more
internal projections (28) which press against to push and
elastically deform the deformable elastomer membrane (12) toward
the protrusion (18).
11. The dispenser according to claim 1, further comprising a
removable safety device (29), to prevent access to the deformable
elastomer membrane and to prevent any movement of said the
deformable elastomer membrane (12).
12. The dispenser according to claim 1, which dispenses pills,
tablets or sweeteners.
Description
The present invention relates to a dispenser of various objects,
and more particularly to a pill dispenser.
The objects which may be dispensed from a storage means have a more
or less round or alternatively oblong shape. These various objects
are, in particular, pharmaceutical products and, more particularly,
pills, capsules, globules, granules, gelatine capsules, tablets,
sugar-coated tablets, pastilles and the like. They may also be
agri-foodstuff products such as sweeteners or candy. They may
alternatively be small items such as screws, nuts, washers, fishing
weights or any other cylindrical and/or spherical part or
object.
STATE OF THE ART
U.S. Pat. No. 4,230,236 describes a tablet dispenser which
comprises a tablet reservoir having, at its base, a dispensing duct
with two projecting elements, and a push-button returned by a
spring. The dispensing duct is closed by the first element,
preventing a tablet from leaving, the second element being
inoperative. Depressing the push-button will cause the first
element to move, thus opening the duct to cause a tablet to drop,
and will cause the second element to move to block the unimpeded
release of the next tablet.
FR-2 764 583 describes a packaging tube capable of dispensing
granules, comprising a tubular body, returned dispensing means,
with an arrangement defining a chute, and a lower receptacle
intended to collect the granules. Pressing on the lower receptacle
makes it possible to move two tabs belonging to the dispensing
means. The first of the tabs opens the base of the chute, to cause
the granule engaged therein to fall, and the second closes the top
of the chute to prevent the stored granules which follow from
passing along the chute.
EP-334 729 describes a dispenser of objects comprising a main
hollow body intended to contain the gelatine capsules, and a lower
receptacle intended to receive the gelatine capsules leaving the
main hollow body. The main body and the lower receptacle each
comprise, at their respective base, pivoting moving means capable
of opening and closing. Following a downward actuating movement of
the main body, the moving means thereof close and, at the same
time, the moving means of the lower receptacle open. This allows
the object initially stored in the lower receptacle to be
dispensed, and makes it possible to prevent the next object from
dropping out of the main body. The return movement toward the
position of rest causes the lower receptacle to close and causes
the main body to open again, which allows the next object to pass
into the lower receptacle so that it can be dispensed later.
EP-051 994 discloses a gelatine capsule dispenser which comprises a
main hollow body intended to contain the gelatine capsules, and a
lower cavity intended to receive the gelatine capsules leaving the
main body. The body ends, at its basal end, in an open tube, the
diameter of which is markedly greater than the diameter of the
gelatine capsules, and in which the gelatine capsules can enter
from the hollow body, can then pass along it, and leave toward the
bottom, one after another. The lower cavity comprises elastic
means. On the one hand, these elastic means extend the open tube
and contain a gelatine capsule engaged therein, blocking its
passage, and on the other hand, these elastic means can open and
close to allow the engaged gelatine capsule to be released. When
the user pushes the lower cavity upward, the elastic means deform
so as to close the tube to impede the next gelatine capsule, and so
as to open the lower cavity, which causes the engaged gelatine
capsule to drop out. When the user releases the lower receptacle,
the elastic means return to their position of rest.
The aforementioned dispensers all have blocking means which can be
opened and then closed alternately delimiting an intermediate
storage chamber. They all have the drawbacks of allowing the
objects that are to be dispensed from a body that provides storage
to drop simply under gravity.
SUMMARY OF THE INVENTION
A first object of the invention is to produce a dispenser which can
be actuated manually and which can be adapted to suit all types of
object to be delivered. A second object is to design a dispenser
which can be used in all attitudes, more particularly lying flat or
head down. A further object is to produce a dispenser, the storage
reservoir of which remains sealed before the first use. Another
object is, for the dispenser, to have use of means providing
protection against any inadvertent or unauthorized
manipulation.
The problem posed is that of finding a dispenser in which the
objects do not leave under gravity. The solution afforded consists
in causing the objects that are to be dispensed to be pushed under
the action of return means.
A dispenser of objects comprises a body forming a reservoir
intended for storing the objects that are to be dispensed, an
outlet passage for the objects to be dispensed, arranged at one of
the ends of the body, and returned translation means capable of
performing a reciprocating movement with respect to the body so as
to release a determined number of objects during each outward and
return stroke of the translational movement.
According to the invention, the dispenser is characterized in that
said returned translation means are arranged in the form of a
flexible shape-memory membrane pierced with a calibrated opening,
making it possible both to exert the return force that allows said
reciprocating translational movement and, by cooperating with
thrust means to control and dispense said objects.
According to a first aspect of the invention, the pushing means
comprise a fixed element situated toward the end of the outlet
passage near where the object or objects to be dispensed lie, the
returned translation means moving alternately closer to and away
from the fixed element, so that the fixed element pushes said
object or objects to be dispensed out of the outlet passage, toward
the outside of the dispenser, for each movement of the translation
means. These pushing means make it possible to reduce the height of
the space between the fixed element of the hollow body and the
translation means.
According to a second aspect of the invention, the returned
translation means comprise a returned member with an elastically
deformable elastomer membrane pierced with a centered opening
through which the object or objects to be dispensed can leave. The
fixed element is a centered elongate piece secured to the end of
the body and placed more or less facing the opening in the returned
member, and with a chamfered face and cut to a point so that it is
tailored to the shape of the object to be dispensed.
According to another aspect of the invention, the dispenser may
have a cap which acts as an object receptacle. The cap slides with
respect to the body and may actuate the translation means by
pressing against, pushing and elastically deforming the deformable
membrane toward the fixed element.
According to yet another aspect of the invention, the dispenser may
comprise a removable safety device intended to prevent access to
the translation means and any movement thereof.
Other advantages according to the invention will become apparent
upon reading the detailed description of the invention, referring
to the drawings which are given by way of illustration and in
which:
FIG. 1 depicts a perspective view of the various constituent parts
of an object dispenser, ready to be assembled;
FIG. 2 depicts a view in longitudinal section of the object
dispenser;
FIG. 3 depicts an exploded view in longitudinal part section of the
functional lower part of a pill dispenser, with the safety device
fitted;
FIG. 4 depicts an exploded longitudinal part section viewed from a
different angle, of the functional lower part of the pill
dispenser;
FIG. 5 depicts a view from underneath of the functional lower part
of the pill dispenser;
FIG. 6 depicts a view in longitudinal section of the functional
lower part of the pill dispenser, with a pill ready to be
dispensed;
FIG. 7 depicts a view in longitudinal section of the functional
lower part of the pill dispenser, with a pill in the process of
being dispensed;
FIG. 8 depicts a view in longitudinal section of the functional
lower part of the pill dispenser after dispensing, with a dispensed
pill; and
FIG. 9 depicts a view of a use of the object dispenser.
DETAILED DESCRIPTION OF THE INVENTION
A dispenser of objects 1 comprises a hollow body forming a
reservoir 2 intended for storing the objects that are to be
dispensed, and more particularly, in one of the embodiments of the
invention, granules for homeopathy. The body 2 is of elongate
parallelepipedal type, with a square cross section and rounded
longitudinal edges. This gives the dispenser 1 an elongate overall
shape. The body 2 is made of opaque polypropylene, or any other
rigid thermoplastic polymer. The body 2 is closed at its upper end
by an upper plug 3. The dispenser 1 is filled with granules during
a filling phase at the factory, before the plug 3 is sealed in
place. Given that the dispenser 1 can be used for delivering
pharmaceutical products that may be sensitive to moisture, to
oxygen and to other forms of attack also, the plug 3 is preferably
fitted with a seal 4. This seal 4 is an overmolding of a rubber or
elastomer material based on the periphery of the plug 3.
The body 2 is closed toward its lower part by a transverse wall 6.
This then defines an upper part in which to keep the granules, and
a functional lower part which will comprise all the means used for
dispensing said granules. Formed in the transverse wall 6 is a
passage orifice 7 for letting out the granules. The orifice 7 is
off-centered with respect to the body 2, and is preferably pierced
in one of the corners. The diameter of the orifice 7 is very
slightly greater than the diameter of a granule 8 that is to be
delivered. This allows granules 8 which are stacked up one after
the other to be let out of the body 2 smoothly, one by one.
Starting from the transverse wall 6, the body 2 comprises the
functional lower part 9, which is in the form of a thinning of the
body. The orifice 7 of the upper part of the body 2 opens into an
interior zone 11 defined by the wall of the functional part 9.
Returned translation means capable of effecting a reciprocating
movement with respect to the body are inserted in the interior zone
11. These means are in the form of a cup-shaped membrane 12. The
pole of the more or less hemispherical membrane 12 points downward
and toward the outside of the zone 11, that is to say away from the
transverse wall 6. The membrane 12 can itself be broken down into
three segments.
A first segment 13 allows the entire membrane 12 to be secured to
the end of the interior zone 11 of the functional part 9, against
the transverse wall 6. The first segment 13 has a square transverse
cross section so that it perfectly matches the square cross section
of the interior zone 11. The first segment is rigid or
alternatively itself has a small rigid surround, its edge being
fixed to the wall 6 at the end of the body.
A second segment 14 has a rounded dome shape in transverse section
and has a round cross section. The second segment 14 is made of a
shape-memory elastic material, for example an elastomeric material.
The second segment 14 can deform axially. This second segment 14
means that the membrane behaves like a returned part.
A terminal third segment 16 constitutes the pole of the membrane
12. The third segment may have a cylindrical shape. Formed in the
third segment 16 is a polar opening 17 centered simultaneously with
respect to the axis of the cup, with respect to the interior zone
11, and thus with respect to the body 2. The opening 17 is round.
It is through this opening 17 that the granules are ejected. If the
granule to be dispensed is in the form of a ball, then the opening
17 has a diameter slightly smaller than the diameter of the granule
8.
The opening 17 has a round and flexible lip 17a. At rest, the lip
17a holds a granule, and in operation, the lip 17a deforms so as to
cause the granule to pass through the opening 17. The lip 17a is
itself surrounded by a rigid and more or less flat periphery 17b,
intended to guide the granule. The lip 17a of the opening 17 may
also be surrounded by an additional rigid ring made of
polypropylene or any other thermoplastic polymer fixed to the end
of the third segment 16.
The transverse wall 6 has a fixed element or protrusion 18
projecting downward. This is an elongate part secured to the end of
the body, oriented toward the interior zone 11 of the functional
part 9 of the body 2 and more particularly, directed more or less
toward the opening 17.
The protrusion 18 is positioned in the hollow part defined by the
membrane 12. The protrusion 18 is centered with respect to the wall
6, and therefore with respect to the end of the body, and placed
facing the opening 17 in the returned membrane. The base of the
protrusion 18 is contiguous with the edge of the orifice 7.
Starting from the orifice 7, and extending as far as its end, the
protrusion 18 has a chamfered face 19. The end of the protrusion 18
is also cut to a point, so as to give a concavity 21 tailored to
the shape and size of the granules 8.
The cavity or hollow part, with the interior surface of the
membrane 12 and the chamfered face 19 of the protrusion 18 delimit
a passage 22 for the granules that are to be dispensed, beginning
at the orifice 7 of the body 2 and ending at the opening 17 in the
membrane 12. The width of the passage 22 is very slightly greater
than the diameter of a granule 8, so that the granules can run
unimpeded one behind the next. At rest, the granules roll along the
passage 22 and are stopped by the concavity 21 and by the lip 17a
of the opening 17.
The granule dispenser 1 also comprises a hollow lower cap 23,
intended to close the lower part with its interior zone 11, and
intended to protect the membrane 12. The cap 23 is of
parallelepipedal type with a square cross section equal to that of
the body 2. The thinning of the functional lower part 9 of the body
fits into the cap 23, the latter then being placed toward the
bottom. The cap can freely slide in a longitudinal direction
telescopically on the thinned part of the functional part 9, until
the edge face of the four walls 24 comes into abutment against a
step 26 obtained by the thinned portion.
Fine shoulders 27, positioned both on the outer wall of the thinned
portion of the functional part 9 and on the interior walls of the
cap 23, are locked together, preventing complete withdrawal of the
cap 23. The step 26 and the shoulders 27 make it possible to define
the sliding travel D of the cap 23.
The cap 23 has at least one interior rectangular tongue 28, fixed
to the bottom, projecting into the cap 23. The tongue 28 is
arranged in such a way that it is positioned exactly under the
third segment 16 of the membrane 12, and that it is capable of
touching the periphery of the opening 17. In the case of a granules
dispenser, use is made of two tongues 28 fixed symmetrically with
respect to each other. The tongues press against the third segment
16, then, during longitudinal sliding, are intended to squash the
membrane 12 so as to release a determined number of objects during
each outward and return stroke of the sliding movement.
Advantageously, the cap acts as a receptacle for one or more
granules. The cap may be made of a rigid and transparent
thermoplastic polymer so that the user can see and possibly count
the granules.
The granules dispenser also comprises a removable protection and
safety device 29. The device 29 itself constitutes a ring of square
cross section 31. The ring 31 can be inserted in the thinned
portion of the functional part 9 up to the step 26. The ring 31 has
a height more or less equal to the maximum permitted travel D for
the sliding of the cap 23. With the ring fitted, the cap 23 can no
longer slide and can no longer squash the membrane 12. The ring
also makes it possible to avoid inadvertent telescopic movement
when the cap 23 is being forced on.
The device 29 also consists of at least one longitudinal extension
32 fixed to the ring 31. The extension 32 serves to secure a
centered disk 33, equipped with a central pip 34. The disk 33
serves to prevent any access to and any movement of the membrane
12. The tongues 28 of the cap 23 will bear against the disk 33
rather than against the third segment 16 of the membrane 12, the
disk 33 transmitting the bearing force to the ring via the
extension 32. This constitutes an additional safety feature to
prevent the membrane 12 from being squashed.
The pip 34 positions itself in the opening 17 and plugs it. This
makes it possible to keep the passage 22 and the reservoir with its
granules sheltered from moisture, oxygen and other forms of attack.
The protective device 29 guarantees against tampering, because it
is mounted from the outset between the body 2 and the cap 23. In
addition, when put back in place after each use, the device 29 will
provide a safety feature against children, known as
"child-proofing".
Use of the Granules Dispenser
The user removes the cap 23, removes the protective device 29, and
refits the cap 23. Next, the user places the dispenser 1, for
example with the plug 3 uppermost, in the region of his index
finger 36 and the cap 23 downmost, in the region of his thumb
37.
At rest, a granule 38 automatically positions itself under the
protrusion 18 and, precisely, in the region of the concavity 21 and
above the opening 17. As the diameter of the opening 17 is
appreciably smaller than the diameter of the granule 38, the latter
will not drop into the receptacle cap 23 under the effect of
gravity.
The user then exerts pressure T upward, so as to cause the cap 23
to slide along the thinned portion of the functional part 9. The
gradual upward travel of the cap 23 means that the tongues 28 begin
to push the third segment 16 of the membrane 12 toward the fixed
protrusion. The flexible second segment 14 begins to bend into an
S-shape (when viewed in transverse cross section). Through this
gradual longitudinal movement of the cap 23, the tongues 28 placed
at the bottom of the cap 23 reversibly squash and deform the
flexible membrane 12 upward. The shape of the third segment 16 with
its rigid periphery 17b will not change. The distance D between the
edge 24 of the cap and the shoulder 26 becomes ever smaller. The
pressure T stops when the edge 24 of the cap touches the shoulder
26.
Thus, the protrusion 18 with its concavity 21 will gradually push
the granule 38 through the opening 17 in the membrane. The size of
the space available between the tip of the central protrusion 18
and the membrane 12 becomes ever smaller, the protrusion 18 pushing
the granule that is to be dispensed out of the passage 22, through
the opening 17, toward the outside of the dispenser 1. Because of
the respective diameters of the granule 38 and of the opening 17,
the granule 38 will be pushed forcibly through the opening,
deforming the lip 17a and will be expelled downward, toward the
receptacle cap 23.
When the user releases his pressure T, and because of its shape
memory, the elastic second segment 14 reverts to its original
shape. The cap 23 returns downward B toward its original position,
the flexible membrane 12 returning to its initial shape. The
responsiveness of the return B depends on the thickness and on the
elastic modulus of the elastomeric material used. The space between
the central protrusion 18 and the membrane 12 returns to its
original size, which allows another granule 39 which follows, to
slip through the granules passage 22 and position itself above the
opening 17 in the membrane 12.
The dispenser can therefore be immediately used again to eject the
next granule 39. A predetermined number of granules may be ejected
for each upward stroke of the cap 23 followed by a return, the
returned translation means moving alternately toward and away from
the fixed protrusion.
The dispenser according to the invention is not restricted by the
details of the embodiments and examples chosen for illustrating it.
For example, the shapes and dimensions of the orifice 7, of the
protrusion 18, of the returned membrane 12, of the passage 22 and
of the opening 17 need merely be adapted to suit each new use and
each type of object to be dispensed. The body 2 may also have a
different shape. Modifications can be made without in any way
departing from the scope of the invention. The latter therefore
encompasses all means constituting technical equivalents of the
means described, and the combination thereof.
* * * * *